I observe an odd behaviour of WPF ItemsControls: If a set the ItemsSource to an object which implements INotifyCollectionChanged and after that set the ItemsSource to null, the CollectionView which ...

I have a list of objects of type Emblem that I show in a LongListMultiSelector. I only want to show the ones that are not achieved yet. I can select one or more items and change them to IsAchieved = ...

I have bound a DataGrid to an ObservableCollection of type TEntity.
The collection holds Entity Framework entities.
When such an entity changes in the DB the app gets notified. In case it is a simple ...

I had it in my mind that if I implemented INotifyCollectionChanged on my Custom Collection that the DataGridView would subscribe to the CollectionChanged event.
My Collection implements IListSource ...

My viewmodel has two Collections, one is MainCollection and other is DerivedCollection. They are displayed using a control, so that when user interacts with the mouse, items can be added or removed ...

I'm new to Windows Phone 8 development. I've been working with it for about a month now and have written my own news app consuming data from an API. I save article content offline into the app's local ...

it took me quite some time to figure out that a DataGridView wont allow editing Cells if the ItemsSource is not an ObservableCollection. Am I right in that assumption?
I have a DataGridView having a ...

I want to have a domain model collection class and a view model class which just reflects and projects the elements of the domain model - but is itself read-only.
My thought here is that both types ...

I am trying to bind observable collection to DataGrid, i want to notify when any row is edited in datagrid.
My code works fine for notifing when record is added or removed but its not notifing when ...

I am writing my own collection class that also implements INotifyCollectionChanged. I am using it in a windows 8 store application (winRT). I wrote a unit test that proves that modifying the content ...

I am creating application that has some simple sniffer functionality and which shows the user dumped packets. Packets are read from dump file, which is updated in real time with current traffic and ...

Hopefully someone can help me out with this. I am creating a Silverlight app which is used for editing images. A user has a project which contain layers which contain elements. (Elements are text and ...

I have done some research and other answers on stackoverflow indicate that I need to extend the ObservableCollection class to add PropertyChanged event handlers to each item when an item is added or ...

During programming, I ran into the following questions:
Does a observable collection implement a CollectionChanged event by itself? (Because of differentbooks refering to the fact that it does, but ...